61697804 has 24 divisors (see below), whose sum is σ = 123654048. Its totient is φ = 26386560.

The previous prime is 61697803. The next prime is 61697851. The reversal of 61697804 is 40879616.

61697804 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

61697804 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (61697803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13112 + ... + 17184.

It is an arithmetic number, because the mean of its divisors is an integer number (5152252).

Almost surely, 2^61697804 is an apocalyptic number.

It is an amenable number.

61697804 is an abundant number, since it is smaller than the sum of its proper divisors (61956244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61697804 is a wasteful number, since it uses less digits than its factorization.

61697804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625 (or 4623 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 61697804 is about 7854.7949686800. The cubic root of 61697804 is about 395.1450708924.

The spelling of 61697804 in words is "sixty-one million, six hundred ninety-seven thousand, eight hundred four".